Post Office in Illinois
Find the information you need about post offices in Illinois! Discover essential details such as address, contact information, opening hours, and services available at various post office locations. Whether you're sending mail, and packages, or accessing financial services, everything you need to know is right here.
Choose Your County
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Adams County14 Offices
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Alexander County6 Offices
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Bond County7 Offices
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Boone County5 Offices
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Brown County3 Offices
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Bureau County20 Offices
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Calhoun County4 Offices
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Carroll County7 Offices
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Cass County6 Offices
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Champaign County20 Offices
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Christian County11 Offices
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Clark County5 Offices
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Clay County5 Offices
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Clinton County12 Offices
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Coles County7 Offices
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Cook County20 Offices
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Crawford County8 Offices
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Cumberland County4 Offices
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De Witt County7 Offices
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DeKalb County14 Offices
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Douglas County9 Offices
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DuPage County20 Offices
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Edgar County8 Offices
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Edwards County4 Offices
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Effingham County9 Offices
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Fayette County7 Offices
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Ford County9 Offices
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Franklin County16 Offices
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Fulton County20 Offices
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Gallatin County6 Offices
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Greene County10 Offices
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Grundy County9 Offices
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Hamilton County3 Offices
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Hancock County14 Offices
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Hardin County3 Offices
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Henderson County8 Offices
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Henry County14 Offices
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Iroquois County20 Offices
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Jackson County14 Offices
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Jasper County7 Offices
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Jefferson County11 Offices
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Jersey County6 Offices
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Jo Daviess County10 Offices
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Johnson County9 Offices
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Kane County20 Offices
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Kankakee County16 Offices
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Kendall County6 Offices
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Knox County16 Offices
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Lake County20 Offices
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LaSalle County20 Offices
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Lawrence County4 Offices
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Lee County15 Offices
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Livingston County15 Offices
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Logan County14 Offices
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Macon County14 Offices
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Macoupin County20 Offices
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Madison County20 Offices
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Marion County11 Offices
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Marshall County8 Offices
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Mason County10 Offices
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Massac County3 Offices
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McDonough County10 Offices
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McHenry County17 Offices
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McLean County20 Offices
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Menard County5 Offices
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Mercer County9 Offices
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Monroe County7 Offices
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Montgomery County16 Offices
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Morgan County9 Offices
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Moultrie County4 Offices
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Ogle County15 Offices
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Peoria County18 Offices
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Perry County5 Offices
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Piatt County9 Offices
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Pike County14 Offices
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Pope County3 Offices
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Pulaski County9 Offices
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Putnam County8 Offices
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Randolph County12 Offices
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Richland County6 Offices
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Rock Island County20 Offices
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Saline County7 Offices
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Sangamon County20 Offices
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Schuyler County4 Offices
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Scott County4 Offices
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Shelby County12 Offices
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St. Clair County20 Offices
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Stark County6 Offices
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Stephenson County14 Offices
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Tazewell County14 Offices
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Union County7 Offices
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Vermilion County20 Offices
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Wabash County4 Offices
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Warren County8 Offices
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Washington County10 Offices
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Wayne County9 Offices
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White County9 Offices
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Whiteside County12 Offices
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Will County18 Offices
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Williamson County12 Offices
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Winnebago County15 Offices
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Woodford County11 Offices
Public Works & Utilities Offices in the US
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Airport
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Aviation Department
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Department of Transportation (DOT)
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Fire Department
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Landfill
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Post Office
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Power Plant
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Public Service Commission
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Public Utility Company
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Public Works
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Recycling Center
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Soil and Water Conservation
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Visitors Center
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Water Department
